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发明名称
Calipering tools
摘要
申请公布号
US3061938(A)
申请公布日期
1962.11.06
申请号
US19590794118
申请日期
1959.02.18
申请人
JOHN C. KINLEY
发明人
ANDERSON CLIFFORD E.;ROBERTSON FRANK F.;KINLEY JOHN C.
分类号
E21B47/08
主分类号
E21B47/08
代理机构
代理人
主权项
地址
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